blargg_err_t Nsf_Impl::load_( Data_Reader& in )
{
// pad ROM data with 0
RETURN_ERR( rom.load( in, header_.size, &header_, 0 ) );
if ( !header_.valid_tag() )
return blargg_err_file_type;
RETURN_ERR( high_ram.resize( (fds_enabled() ? fdsram_offset + fdsram_size : fdsram_offset) ) );
addr_t load_addr = get_addr( header_.load_addr );
if ( load_addr < (fds_enabled() ? sram_addr : rom_addr) )
set_warning( "Load address is too low" );
rom.set_addr( load_addr % bank_size );
if ( header_.vers != 1 )
set_warning( "Unknown file version" );
set_play_period( header_.play_period() );
return blargg_ok;
}
void Sgc_Core::set_tempo( double t )
{
set_play_period( clock_rate() / (header().rate ? 50 : 60) / t );
}
